He noted that his company now has 300 million registered users and that he regularly hears from users who have tried competing services like Box or Microsoft’s OneDrive and come back to Dropbox.

Gannes pointed out that Carousel, a new photo-sharing app from Dropbox, was struggling in Apple’s App Store with a very low download rank. Houston responded that Dropbox was still improving the app and didn’t want to promote it until it was ready.